3 years ago

What ratio in simplest form. 36:12

Mathematics

1 answer:

Sergeeva-Olga [200]3 years ago

4 0

Uh uh uh uh uh 3:1??

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(-3 - 5i )(-3 + 5i ) = -16 34 34 - 30

Virty [35]

You can use:

$(a-b)(a+b)=a^2-b^2$

We know:

$i=\sqrt{-1}\to i^2=-1$

Calculate:

$(-3-5i)(-3+5i)=(-3)^2-(5i)^2=9-25i^2=9-25(-1)=9+25=34$

6 0

3 years ago

-0.2×-5/7<br><br>please can i have some help

Ksivusya [100]

Answer:

+1/7

Step-by-step explanation:

One approach to evaluating this would be to rewrite it as:

-2 -5

------ * --------- .

10 7 This reduces to:

--------- = +1/7

2(7)

8 0

4 years ago

Which natural phenomenon is the best example of periodic behavior?

aleksandr82 [10.1K]

Answer:

B.The high temperature for a given city.

5 0

3 years ago

What do you get when you round 490.625 to the nearest tenth

VARVARA [1.3K]

Answer:

When you round 490.625 to the nearest tenth its 490.6.

3 0

3 years ago

If -5(x+8) =-25, then x=-3

marta [7]

Answer:

Correct!

Step-by-step explanation:

-5(x+8)=-25

x+8=5

x=-3

8 0

3 years ago

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